631809307520

素因数分解:

$2^7\times 5^1\times {\mathrm{987202043}}^1$

素因数の和:987202062

約数の個数: 32

約数和(自身を含む): 1510419127320

約数和(自身を除く): 878609819800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 987202043, 1974404086, 3948808172, 4936010215, 7897616344, 9872020430, 15795232688, 19744040860, 31590465376, 39488081720, 63180930752, 78976163440, 126361861504, 157952326880, 315904653760, 631809307520]

約数ペア:

[(1, 631809307520), (2, 315904653760), (4, 157952326880), (5, 126361861504), (8, 78976163440), (10, 63180930752), (16, 39488081720), (20, 31590465376), (32, 19744040860), (40, 15795232688), (64, 9872020430), (80, 7897616344), (128, 4936010215), (160, 3948808172), (320, 1974404086), (640, 987202043)]